Intel 865G User Manual page 45

BIOS SETUP
DRAM RAS# Precharge
This option sets the number of cycles required for the RAS to accumulate
its charge before the SDRAM refreshes. The default setting for the
Active to Precharge Delay is 3.
Memory Frequency For
This field sets the frequency of the DRAM memory installed. The
default setting is Auto. The other settings are PC200 and PC266.
System BIOS Cacheable
The setting of Enabled allows caching of the system BIOS ROM at
F000h-FFFFFh, resulting in better system performance. However, if
any program writes to this memory area, a system error may result.
Video BIOS Cacheable
The Setting Enabled allows caching of the video BIOS ROM at
C0000h-F7FFFh, resulting in better video performance. However, if
any program writes to this memory area, a system error may result.
Memory Hole At 15M-16M
In order to improve performance, certain space in memory can be
reserved for ISA cards. This memory must be mapped into the memory
space below 16 MB. The choices are Enabled and Disabled.
Delay Prior to Thermal
This field activates the CPU thermal function after the systems boots for
the set number of minutes. The options are 16Min and 64Min.
AGP Aperture Size
The field sets aperture size of the graphics. The aperture is a portion of
the PCI memory address range dedicated for graphics memory address
space. Host cycles that hit the aperture range are forwarded to the AGP
without any translation. The default setting is 128M.
Init Display First
This field allows the system to initialize first the VGA on chip or the
display card on the PCI Slot.
IB865 User' s Manual 41